Product Type Suspended Horizontal Hydronic Wall & Ceiling Unit Heater, Air Flow Direction Horizontal, Heating Method Water, Output @ 200 F Water 35,900 BtuH, Air Flow 850 cfm, Fan Phase 1, Overall Height 18 1/2 in, Overall Width 20 1/2 in, Overall Depth 10 15/16 in, Amperage 1.4 A, Coil Type Serpentine, Connection Size 3/8 in, Connection Type SWT on Connection, Fan Diameter 12 in, Fan Guard Type OSHA Compliant Guard, Flow Rate 3.6 gpm, Frequency 60 Hz, Heater Voltage 120 V AC